Home / 51,443.52-77,165.93-18,140.23

Finding the Fourth Proportional to 51,443.52, 77,165.93 and 18,140.23

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Solution

The fourth proportional to 51,443.52, 77,165.93 and 18,140.23 is: 27,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,443.52 : 77,165.93 = 18,140.23 : x
  2. Step 2: Convert to fraction form
    51,443.52/77,165.93 = 18,140.23/x
  3. Step 3: Cross multiply
    51,443.52x = 77,165.93 × 18,140.23
  4. Step 4: Simplify right side
    51,443.52x = 1,399,807,596.44
  5. Step 5: Solve for x
    x = 1,399,807,596.44/51,443.52
  6. Step 6: Final answer
    x = 27,210.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.